Giamarellou H a , Aoun A b , Klastersky J b , Anagnostopoulos N c , Galani L c , Grecka P c , Panaretou E c , Papageorgiou E c , Repoussis P c , Syrseloudis PCT has been considered as a useful diagnostic marker in neutropenic patients with bacteremia and/or severe sepsis (Giamarellos-Bourboulis EJ et al.